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[simantics/platform.git] / bundles / org.simantics.modeling.ui / src / org / simantics / modeling / ui / chart / property / DoubleToIntegerPropertyFactory.java
1 /*******************************************************************************\r
2  * Copyright (c) 2010, 2011 Association for Decentralized Information Management in\r
3  * Industry THTH ry.\r
4  * All rights reserved. This program and the accompanying materials\r
5  * are made available under the terms of the Eclipse Public License v1.0\r
6  * which accompanies this distribution, and is available at\r
7  * http://www.eclipse.org/legal/epl-v10.html\r
8  *\r
9  * Contributors:\r
10  *     VTT Technical Research Centre of Finland - initial API and implementation\r
11  *******************************************************************************/\r
12 package org.simantics.modeling.ui.chart.property;\r
13 \r
14 import org.simantics.browsing.ui.swt.widgets.impl.ReadFactoryImpl;\r
15 import org.simantics.db.ReadGraph;\r
16 import org.simantics.db.Resource;\r
17 import org.simantics.db.exception.DatabaseException;\r
18 import org.simantics.utils.datastructures.Triple;\r
19 \r
20 /**\r
21  * @author Tuukka Lehtonen\r
22  */\r
23 public class DoubleToIntegerPropertyFactory extends ReadFactoryImpl<Resource, Integer> {\r
24 \r
25     final private String propertyURI;\r
26 \r
27     public DoubleToIntegerPropertyFactory(String propertyURI) {\r
28         this.propertyURI = propertyURI;\r
29     }\r
30 \r
31     @Override\r
32     public Object getIdentity(Object inputContents) {\r
33         return new Triple<Resource, String, Object>((Resource) inputContents, propertyURI, getClass());\r
34     }\r
35 \r
36     @Override\r
37     public Integer perform(ReadGraph graph, Resource r) throws DatabaseException {\r
38         Double value = graph.getPossibleRelatedAdapter(r, graph.getResource(propertyURI), Double.class);\r
39         return value == null ? 0 : value.intValue();\r
40     }\r
41 \r
42 }\r